The medicine for the lighthouse Pokemon (ampharos) is in cianwood city.
Get the medicine and return to olivine. Deafeating the gym will make this easier because you will be able to use fly, once you defeat the gym and walk out the lady will give you the hm for fly. Return to olivine and cure ampharos then you may battle the gym and its leader which is the person who was taking care of ampharos.
go to cianwood pharmacy hope that helped
if you mean the medicine for 'amphy' in the light house, go to the medicine man in cianwood city he will give you a 'secret potion'
There is no best Pokemon on Pokemon HeartGold.
there is no Pokemon Mansion in Heartgold.
They are not in Pokemon HeartGold
behind your pokemons
go to cianwood pharmacy hope that helped
if you mean the medicine for 'amphy' in the light house, go to the medicine man in cianwood city he will give you a 'secret potion'
surf to cianwood city and talk to the pharmacisthe will give you the medicine
listen to the the gym leader with the Pokemon dip wad Surf to Cianwood and visit the pharmacy there.
Surf to cianwood city then find the medicine shop.
There is no best Pokemon on Pokemon HeartGold.
there is no Pokemon Mansion in Heartgold.
secret potion. you can find it at the olivine city in that medicine shop.
They are not in Pokemon HeartGold
where is the pokemon transfer lab in heartgold
You must go get some medicine for her from cainwood, and bring it to her at the top of the lighthouse. Then she will return to her gym.